X11 forwarding may not work if the loopback IPv6 interface is missing returning Error: Can't open display
(Doc ID 3007988.1)
Last updated on MARCH 01, 2024
Applies to:
Solaris Operating System - Version 11.4 to 11.4 [Release 11.0]Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86 (32-bit)
Oracle Solaris on x86-64 (64-bit)
Symptoms
X11 forwarding may not work if the loopback IPv6 interface is missing and will return Error: Can't open display: when trying to run X Applications
NOTE : This Document doesn't attempt to check other settings involved (the client that connects to the Server must also have capabilities to receive the DATA forwarded by X11 - a local X Server )
A quick overview on how X11 Forwarding works : x-application connects to address in DISPLAY -> ssh server port forwards it -> ssh client forwards it to local X server -> the X server displays that.
Also, there maybe other reasons for which the Error: Can't open display: is returned. This Document doesn't attempt to cover all the cases for when this Error is returned.
Cause
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In this Document
| Symptoms |
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